奶牛垫料:对乳房健康和牛奶质量的影响

Al Manning
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引用次数: 0

摘要

乳腺炎调查通常会考虑垫料。干物质含量和细菌计数有助于了解垫料的质量,大肠菌群计数大于 1 000 000 cfu/g 会增加乳腺炎的风险。与其他有机或无机材料相比,回收的粪便固体垫料往往干物质含量较低,细菌计数较高。尽管有这一发现,但垫料类型与乳腺炎风险之间并无明显关联。这表明其他管理因素对控制牧场感染也很重要。在调查乳腺炎疫情时,除了对牧场管理和环境进行更广泛的评估外,垫料分析也很有用。
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Bedding material for dairy cows: effect on udder health and milk quality
Bedding materials are often considered as part of a mastitis investigation. Dry matter content and bacteriological counts provide useful insight into bedding quality, and coliform counts of >1 000 000 cfu/g are associated with an increased risk of mastitis. Recycled manure solids bedding tends to have lower dry matter content and higher bacterial counts, relative to other organic or inorganic materials. Despite this finding, there is no clear association between bedding type and mastitis risk. This suggests that other management factors are also important in controlling infections on farm. When investigating a mastitis outbreak, bedding analysis may be useful alongside wider assessment of farm management and environment.
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